anonymous
  • anonymous
The claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). The sample statistics from one experiment include 570 peas with 111 of them having yellow pods. Find the value of the test statistic.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
hi
anonymous
  • anonymous
Hey there
anonymous
  • anonymous
hi

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anonymous
  • anonymous
don`t understand the question!!!
anonymous
  • anonymous
Nope
amistre64
  • amistre64
what do you not understand about the question?
anonymous
  • anonymous
How to put the equation into my TI83 to obtain the value
anonymous
  • anonymous
Of the test statistic
amistre64
  • amistre64
looks like we have 1 sample, and are tring to evaluate a proportion ...
amistre64
  • amistre64
what does 2nd, vars, tests (maybe calc) get for us?
amistre64
  • amistre64
http://cfcc.edu/faculty/cmoore/TI-STAT.htm
anonymous
  • anonymous
ok I have it up but how would I input the information?
amistre64
  • amistre64
1 Attachment
amistre64
  • amistre64
tell me what the inputs are ... are what youd assume they should be
amistre64
  • amistre64
po = ? n = ? x = ?
anonymous
  • anonymous
po=0.25 n=600 x= no sure about
anonymous
  • anonymous
not 600 I meant 570
amistre64
  • amistre64
po is good, now from the information we have only 2 numbers left to work 570 peas with 111 of them having yellow pods
anonymous
  • anonymous
Yes. So, then to put that into an equation is what I am having difficulty with.
amistre64
  • amistre64
there is no equation, you simply type them into the calculator po = .25 n=570 x=111 the last thing to do is to determine the type of tails we want to test.
amistre64
  • amistre64
you can work it as an equation, but then why would we have used the function to start with?
anonymous
  • anonymous
Oh ok... So how would I input it into the ti83?
amistre64
  • amistre64
i already covered that ... with links and pictures and everything.
anonymous
  • anonymous
Ok, I will try it out.
amistre64
  • amistre64
once you get to the function and fill in those 3 parts, theres one last part to cover. let me know when you are there.
anonymous
  • anonymous
ok, I have it calculated
amistre64
  • amistre64
and what is your value?
amistre64
  • amistre64
also, what did you choose for the last portion? \(\ne\)p, p
anonymous
  • anonymous
All I see is: z=-3.047 p=.0011 p^=.1947 n=570
amistre64
  • amistre64
your test stat is z :)
anonymous
  • anonymous
I just clicked on calculate
amistre64
  • amistre64
thats fine, we werent asked anything that would alter the z value.
anonymous
  • anonymous
OMG thank you thank you!!!
amistre64
  • amistre64
another way to have done is: z = (111/570 - .25)/sqrt(.25(1-.25)/570) which is -3.047 http://www.wolframalpha.com/input/?i=%28111%2F570+-+.25%29%2Fsqrt%28.25%281-.25%29%2F570%29

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